- Stitching a Life
- Stjernekys 1 - Toner i natten
- Stjernekys 2 - Lyden af vinger
- Stjernekys 3 - Sangen fra hjertet
- Stoker Sisters 1: Daughters of Dracula
- Stoker Sisters 2: Angels and Hunters
- Stolen Bases, Stolen Kisses
- Stolen Beauty
- Stolen Kiss (Sweet N' Sour Kisses: Episode 2)
- Stolen Nights
- Stolen Sanctuary
- Stolen Time
- Stone Cold Touch
- Stone Cove Island
- Stone Dystopia: 3 Book Set
- Stone Field
- Stone Heart (The Compelled Series Book 1)
- Stone Warrior
- Storia d'agosto, di Agata e d'inchiostro
- Storia di Giulietta e Romeo
- Storia di un cigno- storia di un amore
- Storia su carta e inchiostro
- Storm from the East
- Storm of Shadows
- Storm Siren
- Storm the Earth
- Storm és Stone
- Stormbringers
- Storms
- Stormswept
- Story Crush Teen Sampler
- Story of a Girl (National Book Award Finalist)
- Strands of Bronze and Gold
- Strange. Libro 1
- Strange Magic
- Strange the Dreamer
- Strawberry betyder smultron
- Strawberry Crush
- Strawberry Panic (Light Novel) Vol. 1
- Strawberry Panic (Light Novel) Vol. 2
- Strawberry Panic (Light Novel) Vol. 3
- Stray
- Streamline
- Strife
- Striking a Pose
- Striking Out with the Star Pitcher
- Struggled Love With Happy Ending
- Struggles of the Heart
- Stu Truly
- Stu Truly: First Kiss
- Stuck On Vacation With Ryan Rupert
- Stuck With You
- Stupid Boy: The Beginning
- Sturmtochter, Band 2: Für immer verloren (Dramatische Romantasy mit Elemente-Magie von SPIEGEL-Bests...
- Sturmtochter, Band 3: Für immer vereint
- Sturmtochter: Gesamtausgabe
- Style
- Sublime
- Submerged
- Submerging
- Subway Sound
- Successor
- Suddenly a Star
- Suddenly Famous
- Suddenly In Demand
- Suddenly In Love
- Suddenly Sam (The October Trilogy, Book Three)
- Suelta
- Sueños de dioses y monstruos (Hija de humo y hueso 3)
- Sueños en la gran manzana (Serie New York Academy 2)
- Sueños rojos (Chasing Red 1)
- Sugarcoated
- Sulfur
- Suli tánc fűszerrel
- Sulle note di noi due
- The Summer Series
- Summer Beach Reads Ebook Collection
- Summer Bucket List
- Summer by Summer
- Summer Constellations
- Summer Crush
- Summer Days and Summer Nights
- Summer Fling
- Summer Love
- Summer Love (A Forever Series Novella)
- Summer Love (A Young Adult Romance)
- Summer Love Boxset
- Summer of '89
- Summer of Lies
- Summer of Supernovas
- Summer of Yesterday
- Summer Paradise
- Summer Romance
- Summer Skin
- Summer Snow
- Summer Stars